1.

Focal length of a concave lens is 50 cm. Its power will be(A) + 2 Dioptre (B) –2 Dioptre(C) + 5 Dioptre (D) –5 Dipotre

Answer»

Focal length of a concave lens is 50 cm. Its power will be –2 Dioptre.



Discussion

No Comment Found

Related InterviewSolutions